More aggressive investors may take a look at the ProShares Ultra Australian Dollar (NYSEArca: GDAY), which tracks the 200% daily performance of Australian dollar against the U.S. dollar, to play bullish Aussie movements.

Looking at Australian equities, the iShares MSCI Australia ETF (NYSEArca: EWA) has gained 4.0% year-to-date. [Australian Allure: Stocks Down Under Look Inexpensive]

Investors can also gain exposure to Australian debt through the e PIMCO Australia Bond Index ETF (NYSEArca: AUD), which is up 4.1% year-to-date. [ETF Spotlight: Australian Bonds for Yields]

CurrencyShares Australian Dollar Trust

For more information on Australia, visit our Australia category.

Max Chen contributed to this article.